Old MacDonald had a farm. On this farm he had some cows and chickens. When he “took stock” (counted), the farmer had 60 heads and 162 legs. How many cows and chickens did Old MacDonald have? PLS ANSWER

Which equation can be used to solve for the unknown number? seven less than a number is thirteen. n-7=13 7-n=13 n+7=13 n+13=7

Find two numbers if their sum is 91 and the ratio is 6: 7?

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.